[PATCH 05/30] score: Pass scheduler node to block operation
Sebastian Huber
sebastian.huber at embedded-brains.de
Mon Oct 31 08:51:36 UTC 2016
Changed for consistency with other scheduler operations.
Update #2556.
---
cpukit/score/include/rtems/score/scheduler.h | 3 ++-
cpukit/score/include/rtems/score/scheduleredf.h | 14 ++---------
.../score/include/rtems/score/scheduleredfimpl.h | 9 ++++----
cpukit/score/include/rtems/score/schedulerimpl.h | 16 +++++++++----
.../score/include/rtems/score/schedulerpriority.h | 14 ++---------
.../rtems/score/schedulerpriorityaffinitysmp.h | 11 ++-------
.../include/rtems/score/schedulerpriorityimpl.h | 13 +++++++----
.../include/rtems/score/schedulerprioritysmp.h | 3 ++-
cpukit/score/include/rtems/score/schedulersimple.h | 14 ++---------
.../include/rtems/score/schedulersimpleimpl.h | 4 +++-
.../score/include/rtems/score/schedulersimplesmp.h | 3 ++-
.../score/include/rtems/score/schedulersmpimpl.h | 27 +++++++++++++---------
.../score/include/rtems/score/schedulerstrongapa.h | 3 ++-
cpukit/score/src/scheduleredfblock.c | 4 +++-
cpukit/score/src/schedulerpriorityaffinitysmp.c | 6 +++--
cpukit/score/src/schedulerpriorityblock.c | 4 +++-
cpukit/score/src/schedulerprioritysmp.c | 4 +++-
cpukit/score/src/schedulersimpleblock.c | 4 +++-
cpukit/score/src/schedulersimplechangepriority.c | 2 +-
cpukit/score/src/schedulersimplesmp.c | 4 +++-
cpukit/score/src/schedulerstrongapa.c | 4 +++-
testsuites/smptests/smpscheduler03/init.c | 9 +++++---
22 files changed, 89 insertions(+), 86 deletions(-)
diff --git a/cpukit/score/include/rtems/score/scheduler.h b/cpukit/score/include/rtems/score/scheduler.h
index 745fbec..eb8db7c 100644
--- a/cpukit/score/include/rtems/score/scheduler.h
+++ b/cpukit/score/include/rtems/score/scheduler.h
@@ -72,7 +72,8 @@ typedef struct {
/** @see _Scheduler_Block() */
void ( *block )(
const Scheduler_Control *,
- Thread_Control *
+ Thread_Control *,
+ Scheduler_Node *
);
/** @see _Scheduler_Unblock() */
diff --git a/cpukit/score/include/rtems/score/scheduleredf.h b/cpukit/score/include/rtems/score/scheduleredf.h
index 005f2da..2ecf1a4 100644
--- a/cpukit/score/include/rtems/score/scheduleredf.h
+++ b/cpukit/score/include/rtems/score/scheduleredf.h
@@ -108,20 +108,10 @@ typedef struct {
*/
void _Scheduler_EDF_Initialize( const Scheduler_Control *scheduler );
-/**
- * @brief Removes thread from ready queue.
- *
- * This routine removes @a the_thread from the scheduling decision,
- * that is, removes it from the ready queue. It performs
- * any necessary scheduling operations including the selection of
- * a new heir thread.
- *
- * @param[in] scheduler The scheduler instance.
- * @param[in] the_thread is the thread to be blocked.
- */
void _Scheduler_EDF_Block(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
);
/**
diff --git a/cpukit/score/include/rtems/score/scheduleredfimpl.h b/cpukit/score/include/rtems/score/scheduleredfimpl.h
index 61acedd..bfb5b45 100644
--- a/cpukit/score/include/rtems/score/scheduleredfimpl.h
+++ b/cpukit/score/include/rtems/score/scheduleredfimpl.h
@@ -136,16 +136,17 @@ RTEMS_INLINE_ROUTINE void _Scheduler_EDF_Extract(
RTEMS_INLINE_ROUTINE void _Scheduler_EDF_Extract_body(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
)
{
Scheduler_EDF_Context *context;
- Scheduler_EDF_Node *node;
+ Scheduler_EDF_Node *the_node;
context = _Scheduler_EDF_Get_context( scheduler );
- node = _Scheduler_EDF_Thread_get_node( the_thread );
+ the_node = _Scheduler_EDF_Node_downcast( node );
- _Scheduler_EDF_Extract( context, node );
+ _Scheduler_EDF_Extract( context, the_node );
}
RTEMS_INLINE_ROUTINE void _Scheduler_EDF_Schedule_body(
diff --git a/cpukit/score/include/rtems/score/schedulerimpl.h b/cpukit/score/include/rtems/score/schedulerimpl.h
index a431a3a..e630cc2 100644
--- a/cpukit/score/include/rtems/score/schedulerimpl.h
+++ b/cpukit/score/include/rtems/score/schedulerimpl.h
@@ -330,7 +330,11 @@ RTEMS_INLINE_ROUTINE void _Scheduler_Block( Thread_Control *the_thread )
scheduler = _Scheduler_Get( the_thread );
_Scheduler_Acquire_critical( scheduler, &lock_context );
- ( *scheduler->Operations.block )( scheduler, the_thread );
+ ( *scheduler->Operations.block )(
+ scheduler,
+ the_thread,
+ _Thread_Scheduler_get_home_node( the_thread )
+ );
_Scheduler_Release_critical( scheduler, &lock_context );
}
@@ -708,16 +712,20 @@ bool _Scheduler_Set_affinity(
RTEMS_INLINE_ROUTINE void _Scheduler_Generic_block(
const Scheduler_Control *scheduler,
Thread_Control *the_thread,
+ Scheduler_Node *node,
void ( *extract )(
const Scheduler_Control *,
- Thread_Control * ),
+ Thread_Control *,
+ Scheduler_Node *
+ ),
void ( *schedule )(
const Scheduler_Control *,
Thread_Control *,
- bool )
+ bool
+ )
)
{
- ( *extract )( scheduler, the_thread );
+ ( *extract )( scheduler, the_thread, node );
/* TODO: flash critical section? */
diff --git a/cpukit/score/include/rtems/score/schedulerpriority.h b/cpukit/score/include/rtems/score/schedulerpriority.h
index 175def4..89912aa 100644
--- a/cpukit/score/include/rtems/score/schedulerpriority.h
+++ b/cpukit/score/include/rtems/score/schedulerpriority.h
@@ -111,20 +111,10 @@ typedef struct {
*/
void _Scheduler_priority_Initialize( const Scheduler_Control *scheduler );
-/**
- * @brief Removes @a the_thread from the scheduling decision.
- *
- * This routine removes @a the_thread from the scheduling decision,
- * that is, removes it from the ready queue. It performs
- * any necessary scheduling operations including the selection of
- * a new heir thread.
- *
- * @param[in] scheduler The scheduler instance.
- * @param[in] the_thread is the thread to be blocked
- */
void _Scheduler_priority_Block(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
);
/**
diff --git a/cpukit/score/include/rtems/score/schedulerpriorityaffinitysmp.h b/cpukit/score/include/rtems/score/schedulerpriorityaffinitysmp.h
index be28dec..bc3ea49 100644
--- a/cpukit/score/include/rtems/score/schedulerpriorityaffinitysmp.h
+++ b/cpukit/score/include/rtems/score/schedulerpriorityaffinitysmp.h
@@ -86,17 +86,10 @@ void _Scheduler_priority_affinity_SMP_Node_initialize(
Priority_Control priority
);
-/**
- * @brief SMP Priority Affinity Scheduler Block Operation
- *
- * This method is the block operation for this scheduler.
- *
- * @param[in] scheduler is the scheduler instance information
- * @param[in] thread is the thread to block
- */
void _Scheduler_priority_affinity_SMP_Block(
const Scheduler_Control *scheduler,
- Thread_Control *thread
+ Thread_Control *thread,
+ Scheduler_Node *node
);
/**
diff --git a/cpukit/score/include/rtems/score/schedulerpriorityimpl.h b/cpukit/score/include/rtems/score/schedulerpriorityimpl.h
index 38f9f5b..e9e9873 100644
--- a/cpukit/score/include/rtems/score/schedulerpriorityimpl.h
+++ b/cpukit/score/include/rtems/score/schedulerpriorityimpl.h
@@ -140,16 +140,19 @@ RTEMS_INLINE_ROUTINE void _Scheduler_priority_Ready_queue_extract(
RTEMS_INLINE_ROUTINE void _Scheduler_priority_Extract_body(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
)
{
- Scheduler_priority_Context *context =
- _Scheduler_priority_Get_context( scheduler );
- Scheduler_priority_Node *node = _Scheduler_priority_Thread_get_node( the_thread );
+ Scheduler_priority_Context *context;
+ Scheduler_priority_Node *the_node;
+
+ context = _Scheduler_priority_Get_context( scheduler );
+ the_node = _Scheduler_priority_Node_downcast( node );
_Scheduler_priority_Ready_queue_extract(
&the_thread->Object.Node,
- &node->Ready_queue,
+ &the_node->Ready_queue,
&context->Bit_map
);
}
diff --git a/cpukit/score/include/rtems/score/schedulerprioritysmp.h b/cpukit/score/include/rtems/score/schedulerprioritysmp.h
index 8350038..de37d34 100644
--- a/cpukit/score/include/rtems/score/schedulerprioritysmp.h
+++ b/cpukit/score/include/rtems/score/schedulerprioritysmp.h
@@ -107,7 +107,8 @@ void _Scheduler_priority_SMP_Node_initialize(
void _Scheduler_priority_SMP_Block(
const Scheduler_Control *scheduler,
- Thread_Control *thread
+ Thread_Control *thread,
+ Scheduler_Node *node
);
Thread_Control *_Scheduler_priority_SMP_Unblock(
diff --git a/cpukit/score/include/rtems/score/schedulersimple.h b/cpukit/score/include/rtems/score/schedulersimple.h
index d8bc02e..4ef0db8 100644
--- a/cpukit/score/include/rtems/score/schedulersimple.h
+++ b/cpukit/score/include/rtems/score/schedulersimple.h
@@ -98,20 +98,10 @@ Scheduler_Void_or_thread _Scheduler_simple_Yield(
Scheduler_Node *node
);
-/**
- * @brief Remove a simple-priority-based thread from the queue.
- *
- * This routine removes @a the_thread from the scheduling decision,
- * that is, removes it from the ready queue. It performs
- * any necessary scheduling operations including the selection of
- * a new heir thread.
- *
- * @param[in] scheduler The scheduler instance.
- * @param[in] the_thread is the thread that is to be blocked
- */
void _Scheduler_simple_Block(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
);
/**
diff --git a/cpukit/score/include/rtems/score/schedulersimpleimpl.h b/cpukit/score/include/rtems/score/schedulersimpleimpl.h
index 85951fa..c94f9b3 100644
--- a/cpukit/score/include/rtems/score/schedulersimpleimpl.h
+++ b/cpukit/score/include/rtems/score/schedulersimpleimpl.h
@@ -88,10 +88,12 @@ RTEMS_INLINE_ROUTINE void _Scheduler_simple_Insert_priority_fifo(
RTEMS_INLINE_ROUTINE void _Scheduler_simple_Extract(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
)
{
(void) scheduler;
+ (void) node;
_Chain_Extract_unprotected( &the_thread->Object.Node );
}
diff --git a/cpukit/score/include/rtems/score/schedulersimplesmp.h b/cpukit/score/include/rtems/score/schedulersimplesmp.h
index 36f5fb3..db36b84 100644
--- a/cpukit/score/include/rtems/score/schedulersimplesmp.h
+++ b/cpukit/score/include/rtems/score/schedulersimplesmp.h
@@ -90,7 +90,8 @@ void _Scheduler_simple_SMP_Node_initialize(
void _Scheduler_simple_SMP_Block(
const Scheduler_Control *scheduler,
- Thread_Control *thread
+ Thread_Control *thread,
+ Scheduler_Node *node
);
Thread_Control *_Scheduler_simple_SMP_Unblock(
diff --git a/cpukit/score/include/rtems/score/schedulersmpimpl.h b/cpukit/score/include/rtems/score/schedulersmpimpl.h
index 6deb160..f797735 100644
--- a/cpukit/score/include/rtems/score/schedulersmpimpl.h
+++ b/cpukit/score/include/rtems/score/schedulersmpimpl.h
@@ -868,6 +868,7 @@ static inline void _Scheduler_SMP_Schedule_highest_ready(
*
* @param[in] context The scheduler instance context.
* @param[in] thread The thread of the scheduling operation.
+ * @param[in] node The scheduler node of the thread to block.
* @param[in] extract_from_ready Function to extract a node from the set of
* ready nodes.
* @param[in] get_highest_ready Function to get the highest ready node.
@@ -877,41 +878,45 @@ static inline void _Scheduler_SMP_Schedule_highest_ready(
static inline void _Scheduler_SMP_Block(
Scheduler_Context *context,
Thread_Control *thread,
+ Scheduler_Node *node,
Scheduler_SMP_Extract extract_from_ready,
Scheduler_SMP_Get_highest_ready get_highest_ready,
Scheduler_SMP_Move move_from_ready_to_scheduled,
Scheduler_SMP_Allocate_processor allocate_processor
)
{
- Scheduler_SMP_Node *node = _Scheduler_SMP_Thread_get_node( thread );
- bool is_scheduled = node->state == SCHEDULER_SMP_NODE_SCHEDULED;
- bool block;
+ Scheduler_SMP_Node_state node_state;
+ bool block;
- _Assert( is_scheduled || node->state == SCHEDULER_SMP_NODE_READY );
+ node_state = _Scheduler_SMP_Node_state( node );
+ _Assert( node_state != SCHEDULER_SMP_NODE_BLOCKED );
block = _Scheduler_Block_node(
context,
thread,
- &node->Base,
- is_scheduled,
+ node,
+ node_state == SCHEDULER_SMP_NODE_SCHEDULED,
_Scheduler_SMP_Get_idle_thread
);
if ( block ) {
- _Scheduler_SMP_Node_change_state( node, SCHEDULER_SMP_NODE_BLOCKED );
+ _Scheduler_SMP_Node_change_state(
+ _Scheduler_SMP_Node_downcast( node ),
+ SCHEDULER_SMP_NODE_BLOCKED
+ );
- if ( is_scheduled ) {
- _Scheduler_SMP_Extract_from_scheduled( &node->Base );
+ if ( node_state == SCHEDULER_SMP_NODE_SCHEDULED ) {
+ _Scheduler_SMP_Extract_from_scheduled( node );
_Scheduler_SMP_Schedule_highest_ready(
context,
- &node->Base,
+ node,
extract_from_ready,
get_highest_ready,
move_from_ready_to_scheduled,
allocate_processor
);
} else {
- ( *extract_from_ready )( context, &node->Base );
+ ( *extract_from_ready )( context, node );
}
}
}
diff --git a/cpukit/score/include/rtems/score/schedulerstrongapa.h b/cpukit/score/include/rtems/score/schedulerstrongapa.h
index aa352e2..a83616c 100644
--- a/cpukit/score/include/rtems/score/schedulerstrongapa.h
+++ b/cpukit/score/include/rtems/score/schedulerstrongapa.h
@@ -107,7 +107,8 @@ void _Scheduler_strong_APA_Node_initialize(
void _Scheduler_strong_APA_Block(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
);
Thread_Control *_Scheduler_strong_APA_Unblock(
diff --git a/cpukit/score/src/scheduleredfblock.c b/cpukit/score/src/scheduleredfblock.c
index 80cb83d..1269e8e 100644
--- a/cpukit/score/src/scheduleredfblock.c
+++ b/cpukit/score/src/scheduleredfblock.c
@@ -23,12 +23,14 @@
void _Scheduler_EDF_Block(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
)
{
_Scheduler_Generic_block(
scheduler,
the_thread,
+ node,
_Scheduler_EDF_Extract_body,
_Scheduler_EDF_Schedule_body
);
diff --git a/cpukit/score/src/schedulerpriorityaffinitysmp.c b/cpukit/score/src/schedulerpriorityaffinitysmp.c
index 9282b1a..451df88 100644
--- a/cpukit/score/src/schedulerpriorityaffinitysmp.c
+++ b/cpukit/score/src/schedulerpriorityaffinitysmp.c
@@ -190,7 +190,8 @@ static Scheduler_Node *_Scheduler_priority_affinity_SMP_Get_highest_ready(
*/
void _Scheduler_priority_affinity_SMP_Block(
const Scheduler_Control *scheduler,
- Thread_Control *thread
+ Thread_Control *thread,
+ Scheduler_Node *node
)
{
Scheduler_Context *context = _Scheduler_Get_context( scheduler );
@@ -198,6 +199,7 @@ void _Scheduler_priority_affinity_SMP_Block(
_Scheduler_SMP_Block(
context,
thread,
+ node,
_Scheduler_priority_SMP_Extract_from_ready,
_Scheduler_priority_affinity_SMP_Get_highest_ready,
_Scheduler_priority_SMP_Move_from_ready_to_scheduled,
@@ -599,7 +601,7 @@ bool _Scheduler_priority_affinity_SMP_Set_affinity(
current_state = thread->current_state;
if ( _States_Is_ready( current_state ) ) {
- _Scheduler_priority_affinity_SMP_Block( scheduler, thread );
+ _Scheduler_priority_affinity_SMP_Block( scheduler, thread, &node->Base.Base.Base );
}
CPU_COPY( node->Affinity.set, cpuset );
diff --git a/cpukit/score/src/schedulerpriorityblock.c b/cpukit/score/src/schedulerpriorityblock.c
index ba3c825..611c4cd 100644
--- a/cpukit/score/src/schedulerpriorityblock.c
+++ b/cpukit/score/src/schedulerpriorityblock.c
@@ -24,12 +24,14 @@
void _Scheduler_priority_Block(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
)
{
_Scheduler_Generic_block(
scheduler,
the_thread,
+ node,
_Scheduler_priority_Extract_body,
_Scheduler_priority_Schedule_body
);
diff --git a/cpukit/score/src/schedulerprioritysmp.c b/cpukit/score/src/schedulerprioritysmp.c
index 3c88161..ab3e663 100644
--- a/cpukit/score/src/schedulerprioritysmp.c
+++ b/cpukit/score/src/schedulerprioritysmp.c
@@ -92,7 +92,8 @@ static Scheduler_Node *_Scheduler_priority_SMP_Get_highest_ready(
void _Scheduler_priority_SMP_Block(
const Scheduler_Control *scheduler,
- Thread_Control *thread
+ Thread_Control *thread,
+ Scheduler_Node *node
)
{
Scheduler_Context *context = _Scheduler_Get_context( scheduler );
@@ -100,6 +101,7 @@ void _Scheduler_priority_SMP_Block(
_Scheduler_SMP_Block(
context,
thread,
+ node,
_Scheduler_priority_SMP_Extract_from_ready,
_Scheduler_priority_SMP_Get_highest_ready,
_Scheduler_priority_SMP_Move_from_ready_to_scheduled,
diff --git a/cpukit/score/src/schedulersimpleblock.c b/cpukit/score/src/schedulersimpleblock.c
index ad409bb..2fd50b7 100644
--- a/cpukit/score/src/schedulersimpleblock.c
+++ b/cpukit/score/src/schedulersimpleblock.c
@@ -23,12 +23,14 @@
void _Scheduler_simple_Block(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
)
{
_Scheduler_Generic_block(
scheduler,
the_thread,
+ node,
_Scheduler_simple_Extract,
_Scheduler_simple_Schedule_body
);
diff --git a/cpukit/score/src/schedulersimplechangepriority.c b/cpukit/score/src/schedulersimplechangepriority.c
index e430c75..cad75f8 100644
--- a/cpukit/score/src/schedulersimplechangepriority.c
+++ b/cpukit/score/src/schedulersimplechangepriority.c
@@ -38,7 +38,7 @@ Scheduler_Void_or_thread _Scheduler_simple_Update_priority(
context = _Scheduler_simple_Get_context( scheduler );
_Scheduler_Node_get_priority( node, &prepend_it );
- _Scheduler_simple_Extract( scheduler, the_thread );
+ _Scheduler_simple_Extract( scheduler, the_thread, node );
if ( prepend_it ) {
_Scheduler_simple_Insert_priority_lifo( &context->Ready, the_thread );
diff --git a/cpukit/score/src/schedulersimplesmp.c b/cpukit/score/src/schedulersimplesmp.c
index b476c08..3d4efea 100644
--- a/cpukit/score/src/schedulersimplesmp.c
+++ b/cpukit/score/src/schedulersimplesmp.c
@@ -159,7 +159,8 @@ static void _Scheduler_simple_SMP_Extract_from_ready(
void _Scheduler_simple_SMP_Block(
const Scheduler_Control *scheduler,
- Thread_Control *thread
+ Thread_Control *thread,
+ Scheduler_Node *node
)
{
Scheduler_Context *context = _Scheduler_Get_context( scheduler );
@@ -167,6 +168,7 @@ void _Scheduler_simple_SMP_Block(
_Scheduler_SMP_Block(
context,
thread,
+ node,
_Scheduler_simple_SMP_Extract_from_ready,
_Scheduler_simple_SMP_Get_highest_ready,
_Scheduler_simple_SMP_Move_from_ready_to_scheduled,
diff --git a/cpukit/score/src/schedulerstrongapa.c b/cpukit/score/src/schedulerstrongapa.c
index 2b2f4e4..b5a5545 100644
--- a/cpukit/score/src/schedulerstrongapa.c
+++ b/cpukit/score/src/schedulerstrongapa.c
@@ -218,7 +218,8 @@ static Scheduler_Node *_Scheduler_strong_APA_Get_highest_ready(
void _Scheduler_strong_APA_Block(
const Scheduler_Control *scheduler,
- Thread_Control *the_thread
+ Thread_Control *the_thread,
+ Scheduler_Node *node
)
{
Scheduler_Context *context = _Scheduler_Get_context( scheduler );
@@ -226,6 +227,7 @@ void _Scheduler_strong_APA_Block(
_Scheduler_SMP_Block(
context,
the_thread,
+ node,
_Scheduler_strong_APA_Extract_from_ready,
_Scheduler_strong_APA_Get_highest_ready,
_Scheduler_strong_APA_Move_from_ready_to_scheduled,
diff --git a/testsuites/smptests/smpscheduler03/init.c b/testsuites/smptests/smpscheduler03/init.c
index f9588a3..dc3507f 100644
--- a/testsuites/smptests/smpscheduler03/init.c
+++ b/testsuites/smptests/smpscheduler03/init.c
@@ -460,7 +460,10 @@ static void test_yield_op(void)
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
-static void block_op(Thread_Control *thread)
+static void block_op(
+ Thread_Control *thread,
+ Scheduler_SMP_Node *scheduler_node
+)
{
const Scheduler_Control *scheduler;
ISR_lock_Context state_lock_context;
@@ -470,7 +473,7 @@ static void block_op(Thread_Control *thread)
scheduler = _Scheduler_Get( thread );
_Scheduler_Acquire_critical( scheduler, &scheduler_lock_context );
- (*scheduler->Operations.block)(scheduler, thread);
+ (*scheduler->Operations.block)(scheduler, thread, &scheduler_node->Base);
_Scheduler_Release_critical( scheduler, &scheduler_lock_context );
_Thread_State_release( thread, &state_lock_context );
@@ -521,7 +524,7 @@ static void test_case_unblock_op(
break;
}
- block_op(executing);
+ block_op(executing, executing_node);
rtems_test_assert(executing_node->state == SCHEDULER_SMP_NODE_BLOCKED);
needs_help = unblock_op(executing);
--
1.8.4.5
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